Workbook Detail
Fact Family Add Sub Within 20 Medium — Set 41
Write the fact family for 8, 9, 72:
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Answer: 8 × 9 = 72; 9 × 8 = 72; 72 ÷ 8 = 9; 72 ÷ 9 = 8
- SubType
- fact-family
- Facts
- 8 × 9 = 72
- 9 × 8 = 72
- 72 ÷ 8 = 9
- 72 ÷ 9 = 8
- Difficulty
- medium
Write the fact family for 8, 8, 64:
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Answer: 8 × 8 = 64; 8 × 8 = 64; 64 ÷ 8 = 8; 64 ÷ 8 = 8
- SubType
- fact-family
- Facts
- 8 × 8 = 64
- 8 × 8 = 64
- 64 ÷ 8 = 8
- 64 ÷ 8 = 8
- Difficulty
- medium
Write the fact family for 14, 6, 20:
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Answer: 14 + 6 = 20; 6 + 14 = 20; 20 - 14 = 6; 20 - 6 = 14
- SubType
- fact-family
- Facts
- 14 + 6 = 20
- 6 + 14 = 20
- 20 - 14 = 6
- 20 - 6 = 14
- Difficulty
- medium
Write the fact family for 17, 1, 18:
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Answer: 17 + 1 = 18; 1 + 17 = 18; 18 - 17 = 1; 18 - 1 = 17
- SubType
- fact-family
- Facts
- 17 + 1 = 18
- 1 + 17 = 18
- 18 - 17 = 1
- 18 - 1 = 17
- Difficulty
- medium
Write the fact family for 11, 5, 55:
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Answer: 11 × 5 = 55; 5 × 11 = 55; 55 ÷ 11 = 5; 55 ÷ 5 = 11
- SubType
- fact-family
- Facts
- 11 × 5 = 55
- 5 × 11 = 55
- 55 ÷ 11 = 5
- 55 ÷ 5 = 11
- Difficulty
- medium
Write the fact family for 5, 8, 40:
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Answer: 5 × 8 = 40; 8 × 5 = 40; 40 ÷ 5 = 8; 40 ÷ 8 = 5
- SubType
- fact-family
- Facts
- 5 × 8 = 40
- 8 × 5 = 40
- 40 ÷ 5 = 8
- 40 ÷ 8 = 5
- Difficulty
- medium
Teaching Notes
Practice fact family add sub within 20 with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
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